4 hours into a trip i pull into a rest stop and see this, how screwed am i??? What could have caused this?? Any help would really go along way (1985 6.2 w\h built 4L60E)

4 hours into a trip i pull into a rest stop and see this, how screwed am i??? What could have caused this?? Any help would really go along way (1985 6.2 w\h built 4L60E)